Zhuzhou Watt Carbide Co, LTD, i Zhuzhou, Hunan, mu Bushinwa. Itanga cyane cyane ibyinjizwamo karbide, gushiramo urusyo, gushiramo karbide, gushiramo cnc, gushyiramo karbide, gushiramo karbide, gushiramo karbide, gusya kwa karbide, ibikoresho bya urusyo rwa tungsten nibindi.